iPhone - Adjust UILabel width according to the text

Question

How can I adjust the label Width according to the text? If text length is small I want the label width small...If text length is small I want the label width according to th

Answer 1

    // In swift 2.0
    let lblDescription = UILabel(frame: CGRectMake(0, 0, 200, 20))
    lblDescription.numberOfLines = 0
    lblDescription.text = "Sample text to show its whatever may be"
    lblDescription.sizeToFit()

    // Its automatically Adjust the height